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Soil Genesis and Development, Lesson 6 - Global Soil Resources and Distribution

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This lesson discusses soil resources and functions at the global scale.

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6.0 - Credits,Tips, And References


Tim Kettler
Assistant Professor, Department of Agronomy and Horticulture
University of Nebraska-Lincoln, USA

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  • Other interactive on-line lessons pertaining to soil genesis and development can be accessed by clicking on the “Soil Genesis and Development” link under “Explore by Topic'.


  1. Brady, N.C., and R. R. Weil. 2008. The Nature and Properties of Soil, 14th edition. Pearson Prentice Hall, Pearson Education Inc. Upper Saddle River, New Jersey, USA, 07458.
  2. Campbell, N.A., and J.B. Reece. 2002. Biology. 6th edition. Benjamin Cummings, 1301 Sansome St., San Francisco, CA 94111
  3. Eswaran, H., R. Lal and P.F. Reich. 2001. Land degradation: an overview. In: Bridges, E.M., I.D. Hannam, L.R. Oldeman, F.W.T. Pening de Vries, S.J. Scherr, and S. Sompatpanit (eds.). Responses to Land Degradation. Proc. 2nd. International Conference on Land Degradation and Desertification, Khon Kaen, Thailand. Oxford Press, New Delhi, India.
  4. USDA-NRCS. Soil Classification - NRCS Soils. Revised 03/21/2008. United States Department of Agriculture, Natural Resources Conservation Service. Accessed January 6, 2009.
  5. USDA-NRCS. Soil Use, World Soil Resources. NRCS Soils. Revised 02/23/2009. United States Department of Agriculture, Natural Resources Conservation Service. Accessed January 6, 2009
  6. Soil Survey Staff. 2003. Keys To Soil Taxonomy. 9th edition. U.S. Department of Agriculture, Natural Resources Conservation Service.
  7. Soil Survey Staff. 1999. Soil Taxonomy: A Basic System Of Soil Classification For Making And Interpreting Soil Surveys. 2nd edition. Natural Resources Conservation Service. U.S. Department of Agriculture Handbook 436.

This lesson was developed by Martha Mamo, Timothy Kettler, and Dennis McCallister at the University of Nebraska-Lincoln; Jim Ippolito at Colorado State University; Ron Reuter at Oregon State University; Christoph Geiss at Trinity College-Connecticut; and William Zanner at the University of Minnesota. Development of this lesson was supported by the National Science Foundation Course, Curriculum, and Laboratory Improvement Program (NSF-CCLI), Award Number DUE-0042603. Any opinions, findings, conclusions or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of NSF.

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